Add product either directly to pool or though the skimmer while pump is in operation according to the dosage chart.

Pool Opening:

To prevent visible algae from growing in your pool:

1. Add Start-UP Dosage of Baquacil Algidefence to establish level needed to begin protecting your pool.
2. Continue with Baquacil sanitizer system treatment.

Maintenance - Monthly:

1. Monthly add Baquacil Algidefense per the dosage table, or take water sample to your Baquacil Dealer to test for Baquacil Algidefense.
2. If Baquacil Algidefense is less than 0.5 ppm add a Start-Up dose; if level is greater or equal to 0.5 ppm add a maintenance dose according to dosage table.